If the Price of a Cup of Dunkin' Donuts Coffee

If the price of a cup of Dunkin' Donuts coffee rises,while the price of a Starbucks latte doesn't,we expect the quantity of lattes demanded to:

A) increase as some people switch from coffee to the relatively cheaper latte.
B) decrease as some people switch from coffee to the relatively cheaper latte.
C) increase as some people switch from coffee to the relatively more expensive latte.
D) decrease as some people switch from coffee to the relatively more expensive latte.